Faq - switel M 820 Mode D'emploi

assistance required.
All of the above suggestions apply equally to your device, battery,
charger, or any enhancement. If any device is not working properly, take
it to the nearest authorized service facility for service.

13. FAQ

If there is something wrong with your phone, please refer to these FAQs
for solutions. If these FAQs are not helpful, please contact the distributor
or service provider of your phone.
Trouble
The phone cannot
be switched on
Battery cannot be
charged
Fails to register to
the network
Cannot call out
Cannot call in
PIN locked
Possible reasons
1. Is there any power in the battery?
2. Is the battery installed properly?
1. Check if the charger is connected with the phone
correctly.
2. Is the battery usable? The performance of the battery will
be reduced after used for several years.
3. Is the battery completely discharged? The phone needs
to be connected to the charger for a while before it can be
charged.
1. The signal is too weak, or there may be some radio
interference around. Check the signal strength meter on
the screen to see whether vertical lines are displayed.
2. Is the SIM card installed properly, poorly contacted or
damaged? If the SIM card is damaged, please ask your
network operator for replacement.
1. Is the SIM card registered in the network?
2. Is call barring enabled?
3. Calling prohibited due to call charges not paid?
4. Have you enabled the function of FDN?
5. Have you selected line 2 though your network operator
doesn't provide this service?
1. Is the SIM card registered in the network?
2. Incoming call prohibited due to call charges not paid?
3. Is call diverting enabled?
4. Is the "Bar incoming call" function in call barring
enabled?
Input the PUK code supplied with the SIM card to unlock
or contact the network operator.
26